i have a 2005 bmw x5 3.0, in the morning i drove about 2 miles. after a little while I started the car but wasnt even a cranking sound, then i jump start it and drove about a mile to get home. i stop the car, in morning i try to start again, in the first turn nothing happened, tryed again and it started, but i drove like about 8 mils and it was dead. while i was driving the battery sign was blinking. Then i jump start again and drove for another 4 mils to a parts store. They checked the battery and said it is fine, but the machine says 9.8 - 10 low but good, then we try to start it but it was in starting, so he jump start it agin and i drove about 15 miles, then i shut off, and restart few time, without any problem, but after a little while the alarm go of by itself. According to the Mechanic, it's the alternator or the starter. Can you please help me with it, which one you think it is alternator, starter or battery??

Asked by sabukoruthu Oct 12, 2014 at 12:26 AM about the 2005 BMW X5 3.0i AWD

Question type: Maintenance & Repair

i have a 2005 bmw x5 3.0, in the morning i drove about 2 miles. after a little while I
started the car but wasnt even a cranking sound, then i jump start it and drove about a
mile to get home. i stop the car, in morning i try to start again, in the first turn nothing
happened, tryed again and it started, but i drove like about 8 mils and it was dead.
while i was driving the battery sign was blinking. Then i jump start again and drove for
another 4 mils to a parts store. They checked the battery and said it is fine, but the
machine says 9.8 - 10 low but good, then we try to start it but it was in starting, so he
jump start it agin and i drove about 15 miles, then i shut off, and restart few time,
without any problem, but after a little while the alarm go of by itself. According to the
Mechanic, it's the alternator or the starter. Can you please help me with it, which one
you think it is alternator, starter or battery??

4 Answers

63,145

The alternator power's up the battery. The battery power's up the starter. Bad alternator no start.

1 people found this helpful.
10

Yes its definetly your alternator, car will shut down and after you replace the alternator, the computer must be re programmed...by BMW or a certified beemer mechsnic..not a cheap fix ..close yo $500

1 people found this helpful.

I have a bmw x5 2003 reg, it is starts and cut off , took it for a dignosis and it the engine cant be detected. It started off with the original key not functioning and got a new one reprogrammed and it worked in the beginning now it is not starting at ll. I am worried why the engine has gone undetected. Has it parked up. Please help

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